Research Article
Methodology for Automatic Ontology Generation Using Database Schema Information
| Attribute conditions | OWL restriction |
| Primary key | owl:cardinality = 1 | Not null | owl:mincardinality = 1 | Unique | owl:maxcardinality = 1 | Check-in | owl:one of | Unsigned | rdf:datatype = &xsd:nonNegativeInteger |
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